📄 libtool
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esac
if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then
# non-PIC code in shared libraries is not supported
pic_mode=default
fi
# Calculate the filename of the output object if compiler does
# not support -o with -c
if test "$compiler_c_o" = no; then
output_obj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext}
lockfile="$output_obj.lock"
removelist="$removelist $output_obj $lockfile"
trap "$run $rm $removelist; exit 1" 1 2 15
else
output_obj=
need_locks=no
lockfile=
fi
# Lock this critical section if it is needed
# We use this script file to make the link, it avoids creating a new file
if test "$need_locks" = yes; then
until $run ln "$0" "$lockfile" 2>/dev/null; do
$show "Waiting for $lockfile to be removed"
sleep 2
done
elif test "$need_locks" = warn; then
if test -f "$lockfile"; then
$echo "\
*** ERROR, $lockfile exists and contains:
`cat $lockfile 2>/dev/null`
This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together. If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."
$run $rm $removelist
exit 1
fi
$echo $srcfile > "$lockfile"
fi
if test -n "$fix_srcfile_path"; then
eval srcfile=\"$fix_srcfile_path\"
fi
$run $rm "$libobj" "${libobj}T"
# Create a libtool object file (analogous to a ".la" file),
# but don't create it if we're doing a dry run.
test -z "$run" && cat > ${libobj}T <<EOF
# $libobj - a libtool object file
# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
EOF
# Only build a PIC object if we are building libtool libraries.
if test "$build_libtool_libs" = yes; then
# Without this assignment, base_compile gets emptied.
fbsd_hideous_sh_bug=$base_compile
if test "$pic_mode" != no; then
command="$base_compile $srcfile $pic_flag"
else
# Don't build PIC code
command="$base_compile $srcfile"
fi
if test ! -d "${xdir}$objdir"; then
$show "$mkdir ${xdir}$objdir"
$run $mkdir ${xdir}$objdir
status=$?
if test "$status" -ne 0 && test ! -d "${xdir}$objdir"; then
exit $status
fi
$show "chmod 777 ${xdir}$objdir"
$run chmod 777 ${xdir}$objdir
fi
if test -z "$output_obj"; then
# Place PIC objects in $objdir
command="$command -o $lobj"
fi
$run $rm "$lobj" "$output_obj"
$show "$command"
if $run eval "$command"; then :
else
test -n "$output_obj" && $run $rm $removelist
exit 1
fi
if test "$need_locks" = warn &&
test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
$echo "\
*** ERROR, $lockfile contains:
`cat $lockfile 2>/dev/null`
but it should contain:
$srcfile
This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together. If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."
$run $rm $removelist
exit 1
fi
# Just move the object if needed, then go on to compile the next one
if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
$show "$mv $output_obj $lobj"
if $run $mv $output_obj $lobj; then :
else
error=$?
$run $rm $removelist
exit $error
fi
fi
# Append the name of the PIC object to the libtool object file.
test -z "$run" && cat >> ${libobj}T <<EOF
pic_object='$objdir/$objname'
EOF
# Allow error messages only from the first compilation.
suppress_output=' >/dev/null 2>&1'
else
# No PIC object so indicate it doesn't exist in the libtool
# object file.
test -z "$run" && cat >> ${libobj}T <<EOF
pic_object=none
EOF
fi
# Only build a position-dependent object if we build old libraries.
if test "$build_old_libs" = yes; then
if test "$pic_mode" != yes; then
# Don't build PIC code
command="$base_compile $srcfile"
else
command="$base_compile $srcfile $pic_flag"
fi
if test "$compiler_c_o" = yes; then
command="$command -o $obj"
fi
# Suppress compiler output if we already did a PIC compilation.
command="$command$suppress_output"
$run $rm "$obj" "$output_obj"
$show "$command"
if $run eval "$command"; then :
else
$run $rm $removelist
exit 1
fi
if test "$need_locks" = warn &&
test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then
$echo "\
*** ERROR, $lockfile contains:
`cat $lockfile 2>/dev/null`
but it should contain:
$srcfile
This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together. If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."
$run $rm $removelist
exit 1
fi
# Just move the object if needed
if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then
$show "$mv $output_obj $obj"
if $run $mv $output_obj $obj; then :
else
error=$?
$run $rm $removelist
exit $error
fi
fi
# Append the name of the non-PIC object the libtool object file.
# Only append if the libtool object file exists.
test -z "$run" && cat >> ${libobj}T <<EOF
# Name of the non-PIC object.
non_pic_object='$objname'
EOF
else
# Append the name of the non-PIC object the libtool object file.
# Only append if the libtool object file exists.
test -z "$run" && cat >> ${libobj}T <<EOF
# Name of the non-PIC object.
non_pic_object=none
EOF
fi
$run $mv "${libobj}T" "${libobj}"
# Unlock the critical section if it was locked
if test "$need_locks" != no; then
$run $rm "$lockfile"
fi
exit 0
;;
# libtool link mode
link | relink)
modename="$modename: link"
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
# It is impossible to link a dll without this setting, and
# we shouldn't force the makefile maintainer to figure out
# which system we are compiling for in order to pass an extra
# flag for every libtool invocation.
# allow_undefined=no
# FIXME: Unfortunately, there are problems with the above when trying
# to make a dll which has undefined symbols, in which case not
# even a static library is built. For now, we need to specify
# -no-undefined on the libtool link line when we can be certain
# that all symbols are satisfied, otherwise we get a static library.
allow_undefined=yes
;;
*)
allow_undefined=yes
;;
esac
libtool_args="$nonopt"
base_compile="$nonopt"
compile_command="$nonopt"
finalize_command="$nonopt"
compile_rpath=
finalize_rpath=
compile_shlibpath=
finalize_shlibpath=
convenience=
old_convenience=
deplibs=
old_deplibs=
compiler_flags=
linker_flags=
dllsearchpath=
lib_search_path=`pwd`
inst_prefix_dir=
avoid_version=no
dlfiles=
dlprefiles=
dlself=no
export_dynamic=no
export_symbols=
export_symbols_regex=
generated=
libobjs=
ltlibs=
module=no
no_install=no
objs=
non_pic_objects=
prefer_static_libs=no
preload=no
prev=
prevarg=
release=
rpath=
xrpath=
perm_rpath=
temp_rpath=
thread_safe=no
vinfo=
vinfo_number=no
# We need to know -static, to get the right output filenames.
for arg
do
case $arg in
-all-static | -static)
if test "X$arg" = "X-all-static"; then
if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
$echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
fi
if test -n "$link_static_flag"; then
dlopen_self=$dlopen_self_static
fi
else
if test -z "$pic_flag" && test -n "$link_static_flag"; then
dlopen_self=$dlopen_self_static
fi
fi
build_libtool_libs=no
build_old_libs=yes
prefer_static_libs=yes
break
;;
esac
done
# See if our shared archives depend on static archives.
test -n "$old_archive_from_new_cmds" && build_old_libs=yes
# Go through the arguments, transforming them on the way.
while test "$#" -gt 0; do
arg="$1"
base_compile="$base_compile $arg"
shift
case $arg in
*[\[\!\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
qarg=\"`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`\" ### testsuite: skip nested quoting test
;;
*) qarg=$arg ;;
esac
libtool_args="$libtool_args $qarg"
# If the previous option needs an argument, assign it.
if test -n "$prev"; then
case $prev in
output)
compile_command="$compile_command @OUTPUT@"
finalize_command="$finalize_command @OUTPUT@"
;;
esac
case $prev in
dlfiles|dlprefiles)
if test "$preload" = no; then
# Add the symbol object into the linking commands.
compile_command="$compile_command @SYMFILE@"
finalize_command="$finalize_command @SYMFILE@"
preload=yes
fi
case $arg in
*.la | *.lo) ;; # We handle these cases below.
force)
if test "$dlself" = no; then
dlself=needless
export_dynamic=yes
fi
prev=
continue
;;
self)
if test "$prev" = dlprefiles; then
dlself=yes
elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
dlself=yes
else
dlself=needless
export_dynamic=yes
fi
prev=
continue
;;
*)
if test "$prev" = dlfiles; then
dlfiles="$dlfiles $arg"
else
dlprefiles="$dlprefiles $arg"
fi
prev=
continue
;;
esac
;;
expsyms)
export_symbols="$arg"
if test ! -f "$arg"; then
$echo "$modename: symbol file \`$arg' does not exist"
exit 1
fi
prev=
continue
;;
expsyms_regex)
export_symbols_regex="$arg"
prev=
continue
;;
inst_prefix)
inst_prefix_dir="$arg"
prev=
continue
;;
release)
release="-$arg"
prev=
continue
;;
objectlist)
if test -f "$arg"; then
save_arg=$arg
moreargs=
for fil in `cat $save_arg`
do
# moreargs="$moreargs $fil"
arg=$fil
# A libtool-controlled object.
# Check to see that this really is a libtool object.
if (${SED} -e '2q' $arg | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
pic_object=
non_pic_object=
# Read the .lo file
# If there is no directory component, then add one.
case $arg in
*/* | *\\*) . $arg ;;
*) . ./$arg ;;
esac
if test -z "$pic_object" || \
test -z "$non_pic_object" ||
test "$pic_object" = none && \
test "$non_pic_object" = none; then
$echo "$modename: cannot find name of object for \`$arg'" 1>&2
exit 1
fi
# Extract subdirectory from the argument.
xdir=`$echo "X$arg" | $Xsed -e 's%/[^/]*$%%'`
if test "X$xdir" = "X$arg"; then
xdir=
else
xdir="$xdir/"
fi
if test "$pic_object" != none; then
# Prepend the subdirectory the object is found in.
pic_object="$xdir$pic_object"
if test "$prev" = dlfiles; then
if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then
dlfiles="$dlfiles $pic_object"
prev=
continue
else
# If libtool objects are unsupported, then we need to preload.
prev=dlprefiles
fi
fi
# CHECK ME: I think I busted this. -Ossama
if test "$prev" = dlprefiles; then
# Preload the old-style object.
dlprefiles="$dlprefiles $pic_object"
prev=
fi
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